114418-01A
For more information, visit www.desatech.com
For more information, visit www.desatech.com
2
Figure 4 - Removing/Replacing Pan Burner Orifice
(Tube Burner Not Shown for Clarity)
Figure 3 - Removing/Applying RTV Silicone and Locating
Air Shutter
RTV Silicone
Firebox
Bottom
Pan Burner Assembly
TUBE BURNER ORIFICE CONVERSION
1.
Inside the control compartment under firebox bottom, locate
aluminum tube with flare fitting and brass elbow on the right
side. Loosen flare fitting and disconnect aluminum tube from
elbow fitting. Use a 3/4" open end wrench (see Figure 5).
2.
Carefully cut away RTV silicone from the orifice where it
passes through the firebox bottom (see Figure 5). Remove el-
bow fitting with orifice from burner inlet by turning counter-
clockwise. Use a 7/8" open end wrench (see Figure 6, page 3).
Figure 5 - Removing/Applying RTV Silicone and Locating
Air Shutter
Rear Burner
Firebox
Bottom
RTV Silicone
Rear Burner
Orifice
PAN BURNER ORIFICE CONVERSION
1.
Inside the control compartment under firebox, locate alumi-
num tube with flare fitting and adapter fitting on the left side.
Loosen flare fitting and disconnect aluminum tube from adapter
fitting. Use a 3/4" open end wrench (see Figure 3).
2.
Carefully cut away the RTV silicone from the adapter fitting
where it passes through the firebox bottom (see Figure 3).
Remove adapter fitting from elbow fitting by turning counter-
clockwise. Use an 11/16" open end wrench.
3.
Inside firebox, locate two small burner hold down brackets on
rear of pan burner. Remove screws with phillips screwdriver
and carefully lift pan burner assembly up and out of firebox
(Do not force the assembly during removal.) See Figure 4.
4.
Remove elbow fitting with orifice from burner manifold by
turning counterclockwise. Use a 3/4" open end wrench. Re-
move NG orifice from elbow fitting. Apply a light amount of
propane/LP resistant sealant to short threaded end of LP ori-
fice (117, #56) supplied in kit. Thread LP orifice into elbow.
5.
Apply light amount of propane/LP resistant sealant to long
threaded end of orifice. Thread elbow fitting with orifice into
burner manifold and tighten by turning clockwise. Use a 3/4"
open end wrench. Make sure elbow fitting faces down.
6.
Locate air shutter at end of burner manifold (see Figure 3).
Loosen screw and adjust air shutter to fully open position. Re-
tighten screw.
Note:
Do not replace pan burner assembly in firebox at this time.
Convert the tube burner and pilot assembly first (see
Tube Burner
Orifice Conversion,
this page, and
Pilot Orifice Conversion
, page 4).
Air Shutter
Aluminum Tube/Flare Fitting
Air Shutter
Aluminum Tube/Flare Fitting
Front Pan Burner
Front Burner
Orifice
(18mm Hex)
Elbow Fitting
Adapter Fitting
(11/16" Hex)
Aluminum
Tube/Flare
Fitting (3/4" Hex)
Apply
Thread
Sealant
Here Only
Burner
Manifold
Burner Brackets